1. Royal College of General Practitioners, Office of Population Censuses and Surveys, Department of Health and Social Security. Morbidity statistics from general practice. Third national study 1981–1982. Series MBS no.1,1986
2. Patterns of referral;Bradlow,1992
3. Menstrual blood loss— a population study;Hallberg;Acta Obstet Gynecol Scand,1966
4. Menorrhagia;Rees;BMJ,1987
5. Obstetric and gynecologic patients with von Willebrand's disease;Evans;Obstet Gynecol,1971